WARNING: Serious Pentium Bug

Anonymous nobody at REPLAY.COM
Mon Nov 10 17:15:48 PST 1997



"Paul Bradley" <csm70830 at port.ac.uk> wrote:

> > >This require no special permissions to run, it works fine with
> > >average-joe-userspace permissions. I have verified this, it works.
> > >Demand a new CPU from Intel.
> >
> > This didn't crash my Pentium.  Hoax?
> 
> No way, this P200 croaked instantly the code was run, in the wrong
> hands this has serious network takedown potential.

The bug is a race condition in the L1 cache, so it doesn't always crash
when executing this, just sometimes.  It depends on what's in the cache.







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